Politically, it seems that a possible (though not particularly likely) approach in the USA would be an expansion of Social Security to younger ages. Pretty much

Politically, it seems that a possible (though not particularly likely) approach in the USA would be an expansion of Social Security to younger ages. Pretty much abolish SSDI, TANF, Medicaid, SCHIP and use the funds that went into them to partially fund the expansion. "Social Security for All" has a nice ring to it.